Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Brent Stroebel0
Scott Taylor Donaldson0
Mark C. Dille0
Larry Mitchell Hill0
E. Lee Colley, III0
Date of Patent
April 19, 2022
0Patent Application Number
164437300
Date Filed
June 17, 2019
0Patent Citations
Patent Citations Received
...
Patent Primary Examiner
CPC Code
Pivot valves have a valve seat and a valve closure mounted for pivoting movement through a closure chamber in a passage. The pivot valves may be selectively set in a check mode and an open mode. Flapper valves have a hydrofoil extending from a flapper. Valve assemblies comprise the pivot valves and flapper valves and have an open condition, a check condition, and a shut-off condition.
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